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Thousands of Twitter users are dealing with what seems to be a security flaw that is causing messages and third-party websites to pop up on the page when users mouse over posted links on the popular messaging site.

Twitter came under attack on Tuesday as hackers exploited a security flaw to wreak havoc on the microblogging service.Computer security firms said thousands of users, or more, were affected by the bug, which appears to send out or "re-tweet" messages simply by rolling over an infected link with the computer mouse.Those hit by the bug included Sarah Brown, the wife of the former British prime minister who has over one million followers on Twitter, and White House press secretary Robert Gibbs.

Twitter apologized to its millions of users on Tuesday after hackers exploited a security hole and wreaked havoc on the microblogging service.Bob Lord, a member of Twitter's security team, said no account information was compromised in the attack, dubbed the "mouseover bug" because it was spread by users scrolling over infected links with a computer mouse.The bug opened pop-up windows in Web browsers, linked some users to porn websites, or automatically generated the short messages known as "tweets" from a user's account.

Twitter came under attack on Tuesday as hackers exploited a security flaw to wreak havoc on the microblogging service.Computer security firms said thousands of users, or more, were affected by the bug, which automatically sent out or "re-tweeted" messages from a user's account simply by rolling over an infected link with the computer mouse.The San Francisco-based Twitter said on its status blog that it had patched the security problem at 6:50 am California time (1350 GMT).

Twitter came under attack on Tuesday as hackers exploited a security flaw to wreak havoc on the microblogging service.Computer security firms said thousands of users, or more, were affected by the bug, which appears to send out or "re-tweet" messages simply by rolling over an infected link with the computer mouse.Those hit by the bug included Sarah Brown, the wife of the former British prime minister who has over one million followers on Twitter, and White House press secretary Robert Gibbs.

It’s a rough day for users of, well, basically the entire internet: A major vulnerability in a huge web services company has been disclosed, and it means your personal data may have leaked into public view from a whole lot of places.
The problem is with California-based Cloudflare, which provides internet security, reverse proxy, content delivery, and domain name server services, among other things. Basically, businesses like Cloudflare are a large part of what make websites, and your ability to connect to them when you want, work.

WASHINGTON — A Russian hacking group probably working for the government has been exploiting a previously unknown flaw in Microsoft’s Windows operating system to spy on NATO, the Ukrainian government, a U.S. university researcher and other national security targets, according to a new report.
The group has been active since at least 2009, according to research by iSight Partners, a cybersecurity firm. Its targets in the recent campaign also included a Polish energy firm, a Western European government agency and a French telecommunications firm.

Source code essentially runs a program, be it a webpage or an app. So when that code is made available to the public, it not only opens the door to copycats, it gives competitors and hackers a look under the hood. Thankfully for Twitter, the person who found a security flaw that left the source code for its short-form video platform vulnerable didn’t have nefarious plans. And now he’s on the receiving end of $10,000.